package com.wang.springcloud.controller;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;

import com.wang.springcloud.pojo.Dept;
import com.wang.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @Author: wyh
 * @Date: 2020/9/14 17:06
 */
@RestController
public class DeptController {

    @Autowired
    private DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet")
    public Dept get(@PathVariable("id") Long id){
        Dept dept = deptService.queryByid(id);
        if (dept == null) {
            throw new RuntimeException("id=>"+id+",不存在该用户,或者信息无法找到");
        }
        return dept;
    }

    //备选方法

    public Dept hystrixGet(@PathVariable("id") Long id){

        return new Dept()
                .setDeptno(id)
                .setDname("id=>"+id+"没有对应的信息,null--@Hystrix")
                .setDb_source("no this database in MySql");
    }





















}
